[Critical periods during development of the dentate nucleus and their clinical significance].

Introduction: The aim of this study was to identify the critical periods in the development of the human dentate nucleus in fetuses of different gestational ages and in one newborn brain.

Material And Methods: The fetal brains were fixed in alcohol-formalin-acetic acid, embedded in paraffin, cut into 30 micro sections, and stained with cresyl violet. The sections were examined by light microscopy.